--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
-@@ -787,6 +787,17 @@ run_parsers_by_type(struct mtd_part *sla
- return nr_parts;
- }
-
-+static inline unsigned long
-+mtd_pad_erasesize(struct mtd_info *mtd, int offset, int len)
-+{
-+ unsigned long mask = mtd->erasesize - 1;
-+
-+ len += offset & mask;
-+ len = (len + mask) & ~mask;
-+ len -= offset & mask;
-+ return len;
-+}
-+
- #ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
- #define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME
- #else
-@@ -1230,6 +1241,24 @@ int mtd_is_partition(const struct mtd_in
+@@ -1251,6 +1251,24 @@ int mtd_is_partition(const struct mtd_in
}
EXPORT_SYMBOL_GPL(mtd_is_partition);
{
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
-@@ -493,6 +493,24 @@ static inline uint32_t mtd_mod_by_eb(uin
+@@ -494,6 +494,24 @@ static inline uint32_t mtd_mod_by_eb(uin
return do_div(sz, mtd->erasesize);
}
if (mtd->writesize_shift)
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
-@@ -115,6 +115,8 @@ int mtd_is_partition(const struct mtd_in
+@@ -116,6 +116,8 @@ int mtd_is_partition(const struct mtd_in
int mtd_add_partition(struct mtd_info *master, const char *name,
long long offset, long long length);
int mtd_del_partition(struct mtd_info *master, int partno);
+struct mtd_info *mtdpart_get_master(const struct mtd_info *mtd);
+uint64_t mtdpart_get_offset(const struct mtd_info *mtd);
uint64_t mtd_get_device_size(const struct mtd_info *mtd);
- extern void __weak arch_split_mtd_part(struct mtd_info *master,
- const char *name, int offset, int size);
+
+ #endif